Home / 38,984.40-58,434.84-20,245.68

Finding the Fourth Proportional to 38,984.40, 58,434.84 and 20,245.68

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Solution

The fourth proportional to 38,984.40, 58,434.84 and 20,245.68 is: 30,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984.40 : 58,434.84 = 20,245.68 : x
  2. Step 2: Convert to fraction form
    38,984.40/58,434.84 = 20,245.68/x
  3. Step 3: Cross multiply
    38,984.40x = 58,434.84 × 20,245.68
  4. Step 4: Simplify right side
    38,984.40x = 1,183,053,071.49
  5. Step 5: Solve for x
    x = 1,183,053,071.49/38,984.40
  6. Step 6: Final answer
    x = 30,346.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.